why is “test-jar” dependency required for “mvn compile”

Question

I\'m having trouble using test-jar dependencies in a multi-module project. For example, when I declare that the cleartk-syntax module depends on the

Answer 1

In my case the root cause was that the module which should be used as a dependency in test scope with type test-jar did not include the required maven-jar-plugin configuration. Without the snippet below no test jar will be deployed when you call mvn deploy on the respective module.

  
    org.apache.maven.plugins
    maven-jar-plugin
    
      
        
          test-jar
        
      
    
  

See https://maven.apache.org/guides/mini/guide-attached-tests.html for more details.